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Feb
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26
Oct
Normal Forms in DBMS ?
There are 4 types of form in Normalization : First Normal Form(1NF) If a...
26
Oct
What are the types of databases ?
The different types of databases are: Hierarchical Database In this database...
26
Oct
What is DBMS Queries ?
SQL Commands SQL commands are instruction which is used to communicate with the...
26
Oct
What is an XML Database in DBMS
For storing huge amount of data in xml format we use XML format. As XML is...
26
Oct
What is Relational Algebra in DBMS ?
A procedural query language which is used widely is known as Relational...
26
Oct
What do you understand by Query Optimization ?
It is a phase which identifies a plan for evaluation query that has the least...
26
Oct
Explain levels of abstraction in DBMS ?
There are 3 levels of abstraction in DBMS Physical Level It is the lowest level...
26
Oct
What is Hierarchical model in DBMS ?
Features of Hierarchical Model This model is based on the tree structure. This...
